Designed for gym workouts, outdoor running, and daily health management and professional sports training. Key benefits - Function and use: supports gym exercise, outdoor running, and daily health monitoring with professional training guidance. - Compatibility and portability: works with multiple devices; lightweight and portable; built with durable materials for long-term use. - Performance and data: accurately measures heart rate with real-time data transmission to help optimize health management. - Usability and longevity: easy to use and reliable for long-term use. Use scenarios - In the gym during interval training, monitor heart rate to stay in your target effort zone. - During outdoor runs, track real-time heart rate to manage cardio load and training progress. - For daily health routines and sports training at home or on the go, integrate continuous monitoring for ongoing health management.